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Twitter is a Web 2.0 communication tool.
Top-down Processing
An approach to information processing that emphasizes how pre-existing knowledge, expectations, or thoughts influence perception, starting from the brain and working down.
Bottom-up Processing
An approach to understanding information that starts with the smallest or simplest elements and builds up to a comprehensive perspective.
Mechanoreception
The physiological process by which organisms detect mechanical changes in the environment, such as pressure, touch, and sound.
Bottom-up Processing
A way of processing information in which perception starts with the input of sensory data and builds up to the formation of a conceptual understanding.
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